Protective cap



FIG. 1 is a top perspective view of a protective cap;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a front view thereof, the back view being a mirror image ofthe front view;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a right side view thereof with bottom side up, the left sideview being a mirror image of the right side view.

CLAIM The ornamental design for a protective cap, as shown anddescribed.